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LT3745EUJ-1#PBF - 

Led Driver, 16 Outputs, Buck (Step Down), 6V-55V in, 1MHz switch, 36V/75mA out, QFN-40

LINEAR TECHNOLOGY LT3745EUJ-1#PBF

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Manufacturer Part No:
LT3745EUJ-1#PBF
Order Code:
2145071
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
55V
:
-40°C
:
75mA
:
16Outputs
:
QFN
:
125°C
:
40Pins
:
36V
:
6V
:
-
:
-
:
Buck (Step Down)
:
1MHz
:
Each
:
MSL 1 - Unlimited
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Product Overview

The LT3745EUJ-1#PBF is a 16-channel LED Driver with a 55V buck Controller. The LED driver lights up to 75mA/36V of LEDs in series per channel and the buck controller generates an adaptive bus voltage supplying the parallel LED strings. Each channel has individual 6-bit dot correction current adjustment and 12-bit grayscale PWM dimming. Both dot correction and grayscale are accessible via a serial data interface in LVDS logic. A ±4% LED current matching and a 0.5µs minimum LED on-time can be achieved at 50mA per channel. The LT3745-1 performs full diagnostic and protection against open/short LED and over-temperature fault. The fault status is sent back through the serial data interface. The 30MHz fully-buffered, cascadable LVDS serial data interface makes the chip extremely suitable for large screen LCD dynamic backlighting and mono, multi, full-colour LED displays. The LT3745 uses a TTL/CMOS serial data interface instead of LVDS.
  • Adaptive LED bus voltage for high efficiency
  • Full diagnostic and protection - Individual open/short LED and over-temperature fault
  • 0.5µs Minimum LED on-time

Applications

LED Lighting, Imaging, Video & Vision

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